Alors, juste pour info, ça c'est assez vieux :

ziirish@carbon:~/images$ file qrcode.png
qrcode.png: PNG image data, 248 x 248, 1-bit colormap, non-interlaced
ziirish@carbon:~/images$ md5sum qrcode.png
c4fc209e25e8b2703a5b2a2691a7d9b3 qrcode.png
ziirish@carbon:~/images$ base64 qrcode.png | zerocli

Encrypting data... [done]
[i] OK server returned code 200
Your data have been successfully pasted
url: https://paste.ziirish.info/?7951f1b227c52e83#ZZZZZZZZZZ6N3fFRSFIOfXlFMwSYzNa9dpGy0=
delete url: https://paste.ziirish.info/?pasteid=XXXXXXXXX&deletetoken=YYYYYYYYYYYYYY
ziirish@carbon:~/images$ zerocli -g https://paste.ziirish.info/?7951f1b227c52e83#ZZZZZZZZZZ6N3fFRSFIOfXlFMwSYzNa9dpGy0= | base64 -d >/tmp/getzerocli
Decrypting data... [done]
ziirish@carbon:~/images$ file /tmp/getzerocli
/tmp/getzerocli: PNG image data, 248 x 248, 1-bit colormap, non-interlaced
ziirish@carbon:~/images$ md5sum /tmp/getzerocli
c4fc209e25e8b2703a5b2a2691a7d9b3 /tmp/getzerocli

Et donc, ça date de ce commit : https://github.com/ziirish/zerocli/commit/ff6c67dab736fe53cb40edc2a120778be9e4c97a
Pas besoin d'utiliser un nouveau service, j'ai juste "détourné" légèrement le client.